Avia ISB4.5E5, Engine
| Engine capacity | 4,462 cm³ |
| Maximum power (range), hp | 157 - 204 |
| Maximum torque, N*m (kg*m) at rpm. | 602 (61) / 1700 |
| Fuel used | Diesel fuel |
| Engine type | In-line, 4-cylinder |
| Additional engine information | direct fuel injection |
| Maximum power, hp (kW) at rpm | 157 (115) / 2500 |
| Cylinder diameter (range), mm | 107 |
| Piston stroke (range), mm | 124 |
| Supercharger | Turbine |